2111201001442 has 12 divisors (see below), whose sum is σ = 3429140088690. Its totient is φ = 974400462048.

The previous prime is 2111201001431. The next prime is 2111201001521. The reversal of 2111201001442 is 2441001021112.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 755371312641 + 1355829688801 = 869121^2 + 1164401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3123078067 + ... + 3123078742.

Almost surely, 2^{2111201001442} is an apocalyptic number.

2111201001442 is a deficient number, since it is larger than the sum of its proper divisors (1317939087248).

2111201001442 is a wasteful number, since it uses less digits than its factorization.

2111201001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246156837 (or 6246156824 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2111201001442 its reverse (2441001021112), we get a palindrome (4552202022554).

The spelling of 2111201001442 in words is "two trillion, one hundred eleven billion, two hundred one million, one thousand, four hundred forty-two".